PT-2023-13023 · Bestechnic · Bestechnic Bluetooth Mesh Sdk

Published 2023-02-01 · Updated 2023-02-09 · CVE-2022-30904

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Bestechnic Bluetooth Mesh SDK (BES2300) version 1.0

Description A buffer overflow issue can be triggered during provisioning due to the lack of a check for the SegN field of the Transaction Start PDU. This occurs because there is no validation for the SegN field, leading to a potential overflow.

Recommendations For Bestechnic Bluetooth Mesh SDK (BES2300) version 1.0, as a temporary workaround, consider implementing a check for the SegN field of the Transaction Start PDU to prevent the buffer overflow. However, at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2022-30904

Affected Products

Bestechnic Bluetooth Mesh Sdk

References · 5

• 🔥 https://docs.google.com/document/d/1is3dYwMcRIkhjvujzi5OgnaGBsQVtlew/edit · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-30904 · Security Note
• https://osv.dev/vulnerability/CVE-2022-30904 · Vendor Advisory
• https://t.me/cvenotify/43381 · Telegram Post
• https://t.me/cibsecurity/57361 · Telegram Post